Alex O'Brien is an American former doubles world No. 1 tennis player. He gained the top ranking in May 2000 and was ranked as high as world No. 30 in singles in June 1997.

Leander Adrian Paes is an Indian former professional tennis player. He is regarded as one of the greatest doubles tennis players of all-time and holds the record for the most doubles wins in the Davis Cup. Paes won eight men's doubles and ten mixed doubles Grand Slam titles. He made a total of 34 Grand Slam finals across men's and mixed doubles in his career which is the joint 2nd highest of all-time among men. He holds a career Grand Slam in men's doubles and mixed doubles making him one of only three men in the Open era to achieve this distinction and won the rare men's/mixed double at the 1999 Wimbledon Championships. Paes was also the 1st pair in Open era history together with Mahesh Bhupathi to reach the men's doubles finals of all 4 Grand Slams in the same calendar year(1999).